Your friend needs to buy a book with an
original price of $15. If
they use a 10% off
coupon, how much will
be taken off the
original price?

$1.5 will be taken off the original price

Step-by-step explanation:

10% off of $15 is $1.5, $1.5 will be taken off

there are many solutions.

step-by-step explanation:

step 1: simplify both sides of the equation.

4x+6=4x^2+10x−4

step 2: subtract 4x^2+10x-4 from both sides.

4x+6−(4x^2+10x−4)=4x^2+10x−4−(4x^2+10x−4)

−4x^2−6x+10=0

step 3: factor left side of equation.

−2(2x+5)(x−1)=0

step 4: set factors equal to 0.

x=-5/2 or x=1

answer: b.

step-by-step explanation:

the y coordinate for point b is 0, and answer b is the only one with that y coordinate.